User Manual

512
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
8271E–AVR–07/2012
Figure 30-366.ATmega328P: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 30-367.ATmega328P: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
85 °C
25 °C
-40 °C
7.4
7.6
7.8
8
8.2
8.4
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
5.0 V
3.0 V
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 8090100
Temperature (°C)
F
RC
(MHz)